When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Hot water can freeze faster than cold water.
181
The force of a suction cup is calculated using F=AP.
15
Most dust particles in your house are made from dead skin!
67
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Sound at the right vibration can bore holes through a solid object.
134
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9